need help

[big monkey racing]

running a sohc stock no emissions as a dirt circle race car and i was driving under caution and when we went to go green the car had no power but when i put the clutch in and revved it it went like normal and then tried to go again and still no power. pulled it to the inside and shut it off for about a min and the fired it up again and it ran like normal. so im confused am i having fuel prob, clutch, rearend(welded diff), or idk help needed please

[quagmyer402]

you could have flooded the engine